84 static u32 bbt_nand_isbad_bypass(struct nand_device *nand, u32 block)  in bbt_nand_isbad_bypass()  argument
89 	nanddev_bbt_set_block_status(nand, block, NAND_BBT_BLOCK_STATUS_UNKNOWN);  in bbt_nand_isbad_bypass()
90 	nanddev_offs_to_pos(nand, block * mtd->erasesize, &pos);  in bbt_nand_isbad_bypass()
106 static int nanddev_read_bbt(struct nand_device *nand, u32 block, bool update)  in nanddev_read_bbt()  argument
123 	if (block >= nblocks)  in nanddev_read_bbt()
151 	ret = mtd_read_oob(mtd, block * mtd->erasesize, &ops);  in nanddev_read_bbt()
153 		pr_err("read_bbt blk=%d fail=%d update=%d\n", block, ret, update);  in nanddev_read_bbt()
170 		pr_err("read_bbt check fail blk=%d ret=%d update=%d\n", block, ret, update);  in nanddev_read_bbt()
178 	bbt_dbg("read_bbt from blk=%d ver=%d update=%d\n", block, version, update);  in nanddev_read_bbt()
198 		for (block = 0; block < nblocks; block++) {  in nanddev_read_bbt()
199 			ret = nanddev_bbt_get_block_status(nand, block);  in nanddev_read_bbt()
201 				bbt_dbg("bad block[0x%x], ret=%d\n", block, ret);  in nanddev_read_bbt()
218 static int nanddev_write_bbt(struct nand_device *nand, u32 block)  in nanddev_write_bbt()  argument
232 	bbt_dbg("write_bbt to blk=%d ver=%d\n", block, nand->bbt.version);  in nanddev_write_bbt()
236 	if (block >= nblocks)  in nanddev_write_bbt()
262 	nanddev_offs_to_pos(nand, block * mtd->erasesize, &pos);  in nanddev_write_bbt()
274 	ret = mtd_write_oob(mtd, block * mtd->erasesize, &ops);  in nanddev_write_bbt()
280 	version = nanddev_read_bbt(nand, block, false);  in nanddev_write_bbt()
283 		       block, version, bbt_info->version);  in nanddev_write_bbt()
301 	u32 start_block, block;  in nanddev_bbt_format()  local
308 	for (block = 0; block < nblocks; block++) {  in nanddev_bbt_format()
309 		nanddev_offs_to_pos(nand, block * mtd->erasesize, &pos);  in nanddev_bbt_format()
317 			if (!bbt_nand_isbad_bypass(nand, block)) {  in nanddev_bbt_format()
319 				pr_err("bbt_format fail, test bad block %d fail\n", block);  in nanddev_bbt_format()
323 			nanddev_bbt_set_block_status(nand, block,  in nanddev_bbt_format()
328 	for (block = 0; block < NANDDEV_BBT_SCAN_MAXBLOCKS; block++) {  in nanddev_bbt_format()
329 		if (nanddev_bbt_get_block_status(nand, start_block + block) ==  in nanddev_bbt_format()
331 			nanddev_bbt_set_block_status(nand, start_block + block,  in nanddev_bbt_format()
341 	u32 start_block, block;  in nanddev_scan_bbt()  local
346 	for (block = 0; block < NANDDEV_BBT_SCAN_MAXBLOCKS; block++)  in nanddev_scan_bbt()
347 		nanddev_read_bbt(nand, start_block + block, true);  in nanddev_scan_bbt()
373 		for (block = 0; block < nblocks; block++) {  in nanddev_scan_bbt()
374 			ret = nanddev_bbt_get_block_status(nand, block);  in nanddev_scan_bbt()
376 				bbt_dbg("bad block[0x%x], ret=%d\n", block, ret);  in nanddev_scan_bbt()
440 		int start_block, block;  in nanddev_bbt_update()  local
445 		for (block = 0; block < NANDDEV_BBT_SCAN_MAXBLOCKS; block++) {  in nanddev_bbt_update()
446 			status = nanddev_bbt_get_block_status(nand, start_block + block);  in nanddev_bbt_update()
447 			ret = nanddev_read_bbt(nand, start_block + block, false);  in nanddev_bbt_update()
449 				bbt_version[block] = BBT_VERSION_INVALID;  in nanddev_bbt_update()
451 				bbt_version[block] = BBT_VERSION_INVALID;  in nanddev_bbt_update()
453 				bbt_version[block] = ret;  in nanddev_bbt_update()
455 				bbt_version[block] = ret;  in nanddev_bbt_update()
460 		for (block = 0; block < NANDDEV_BBT_SCAN_MAXBLOCKS; block++) {  in nanddev_bbt_update()
461 			if (bbt_version[block] < min_version) {  in nanddev_bbt_update()
462 				min_version = bbt_version[block];  in nanddev_bbt_update()
463 				block_des = start_block + block;  in nanddev_bbt_update()
490 		for (block = 0; block < NANDDEV_BBT_SCAN_MAXBLOCKS; block++) {  in nanddev_bbt_update()
491 			if (bbt_version[block] == BBT_VERSION_BLOCK_ABNORMAL) {  in nanddev_bbt_update()
492 				block_des = start_block + block;  in nanddev_bbt_update()